Study of Aerogel-Modified Recycled Polyurethane Nanocomposites
Nanomaterials, 2023 In this study, a liquid regenerated polyether polyol was obtained after the degradation of waste PU foam by the two-component decrosslinker agents ethylene glycol and ethanolamine.
Xiaohua Gu +3 more
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Effect of different catalysts on recovery and reuse of waste polyurethane rigid foam
Materials Research Express, 2021 The sharp increase of waste polyurethane rigid foam has caused great harm to the natural environment. Ethylene glycol (EG) and propylene glycol (PG) was the alcoholysis agents, and KOH and Zn _3 [Co(CN) _6 ] _2 (DMC) were used as catalysts for ...
Xiaohua Gu +3 more
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The biodegradable cellulose-derived polyol and polyurethane foam
Polymer Testing, 2021 The method of polyol synthesis from cellulose, glycidol, and ethylene carbonate in water was elaborated. The obtained polyol was characterized by IR, 1H NMR and MALDI ToF spectroscopy. The polyol was then used to obtain rigid polyurethane foam. That foam
Marzena Szpiłyk +2 more
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Manufacturing Review, 2021 This work investigates the influence of kaolin and dolomite on the properties of polyurethane foam. The selected fillers were pulverized and sieved to obtained
Omotoyinbo Joseph Ajibade +8 more
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Manufacturing and analysis of dynamic and mechanical properties of rigid nanocomposite polyurethane foam reinforced by nano particles of SiC [PDF]
مجله مدل سازی در مهندسی, 2018 In this article, mechanical properties and energy absorption of polyurethane nanocomposite foam reinforced by SiC nano particales under quasi-static and dynamic axial load was investigated.
Mohammad Javad Rezvani +2 more
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Oxidation Behavior and Decomposition Kinetics of Mixed-Waste Biomass Material
BioResources, 2022 In Taiwan, approximately 379,000 automobiles and 588,000 motorcycles were recycled in 2019. Rigid polyurethane foam is one of the principal components of auto shredder residue. The amount of rigid polyurethane foam from the recycling of waste vehicles is
Po-Heng Lin +4 more
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Kuangchan zonghe liyong, 2023 This is an essay in the field of mineral analysis. After the samples were roasted and digested in 50% aqua regia by sealed dissolution,the gold in ore samples were adsorbed by 0.25g polyurethane foam during the oscillating, the polyurethane foam was ...
Kun Shao +3 more
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The use of polyurethane foam waste resulting from the technological process of insulation of refrigeration enclosures in obtaining constructions panels with sound-absorbing and thermally insulating properties [PDF]
MATEC Web of Conferences, 2021 Refrigerated enclosures - refrigerators, refrigerated units, vans for transporting perishable goods are thermally insulated with polyurethane foam. The insulation process involves the pressure injection of the component reactants into the spaces to be ...
Marin Laurentiu
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The Influence of Temperature Impact on the Strength of Adhesion of Polyurethane Glue-foam with Masonry Products [PDF]
E3S Web of Conferences, 2020 The use of masonry on glued polyurethane foam joints can significantly increase labor productivity in the construction of stone buildings. One of the factors restraining the introduction of polyurethane foam adhesive into the practice of construction of ...
Derkach Valery
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Yankuang ceshi, 2018 BACKGROUND Compared with unloaded polyurethane foam, carbon-loaded polyurethane foam can effectively increase the adsorption capacity of gold, but the existing preparation method of carbon-loaded polyurethane foam is not efficient.
MA Yi-fei +4 more
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